Happy new Rust! 🎆🦀

Rust 1.89.0 has been released!

This release brings you inferred args to const generics (e.g. array length: `[false; _]`), the new mismatched_lifetime_syntaxes lint, u128/i128 in extern "C", NonZero<char>, File::{lock,unlock,etc.}, many x86 intrinsics, and much more! ✨

Check out the blog post and release notes for all the details: https://blog.rust-lang.org/2025/08/07/Rust-1.89.0/